The Gouvães Hydropower scheme, included in the global contract for the conception and design of the “Alto Tâmega, Daivões, Gouvães and Padroselos Hydropower Schemes”, has a rockfill dam on Torno river, with 35,5 m maximum height above foundation and 319 m long at crest.

The Gouvães Hydropower scheme comprises:

  • Rockfill dam on Torno river, with 35,5 m maximum height above foundation and 319 m long at crest;
  • Uncontrolled open channel spillway at the left abutment of the dam, designed for a maximum discharge of 67 m³/s;
  • Water intake and hydraulic circuits;
  • An underground powerhouse equipped with 3 reversible groups, each group with 220 MW and a maximum flow rate of 36,67 m³/s, includes a cave attached to the transformers, an access tunnel, an emergency pool and several attack and linking galleries;
  • Recognition and access tunnel to the cave of the hydroelectric plant, with current section span of 8,0m and a variable height of 8 to 10;
  • A restitution gallery with 190m in length and an interior circular section of Φ 6.0 m.

Client

IBERDROLA, S.A.

Project Dates

2008 – 2011

Partners

Aqualogus, Engenharia e Ambiente, Lda
Iberinsa, SA